Posted by **MBH** on Monday, October 3, 2011 at 5:56pm.

Calculate the molarity of each ion in 0.300 M Na2SO4. Enter a zero for an ion that doesn't occur in the compound.

______ M Na1+

______ 2 M S2-

______ 3 M O 2-

______ M SO42-

- chemistry -
**DrBob222**, Monday, October 3, 2011 at 9:50pm
0.3M Na2SO4 means you have

0.3 moles Na2SO4/L soln.

So you will have 0.3M Na2SO4, 0.6M Na^+, 0.3M S, 4*0.3M O and 0.3M SO4^2-.

I have no idea what 2 M S2- or 3 M O 2- is.

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